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| Criterion |  Decision Making Assumption Surfacing |  UX Research User Interviews |  Product Strategy DIBB |
|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. |
Complexitysame | Low | Low | Low |
Timedifferent | 45-90 min | 30–60 min per interview | 1-2 h |
Participantsdifferent | 2-8 | 1 participant per interview | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Interview Notes, Themes, Insight Summary | DIBB document, Belief list, Bet list, Learning report |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | QualitativeResearchCustomerDiscovery | StrategyDecisionAssumptionsHypothesis |
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